book Maths Puzzle Numerical Ability

Q. If one complex zero of a quadratic equation is 2 + i, what is the quadratic equation in ax^2 + bx + c = 0
thanks, Mike

Read Solution (Total 0)

book Other Question

i need help, okay the verbal d. is an electriciancharges $75 an initial feeplus $65per hour to your car. Hi I am trying to seperate the following into its real and imaginary parts, but I cannot remember how to do this:
(jwl - j/wc)/(R+jwl - j/wc)
I have tried using the complex con